RSK203

View detailed technical data, stock status, and sourcing information for: RSK203
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Federal Supply Group

Refrigeration, Air Conditioning, and Air Circulating Equipment

Federal Supply Classification

4130 Refrigeration and Air Conditioning Components

National Stock Number

4130-00-868-1225

Item Name Code

16756

Assigment Date

01/01/1960 (66 years ago)

4.875 inches nominal overall length, 2.500 inches nominal bore diameter, 0.125 inches nominal hole diameter, 2.812 inches nominal body outside diameter, 0.625 inches nominal flange thickness

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.125 inches nominal
Overall Length: 4.875 inches nominal
Flange Thickness: 0.625 inches nominal
Bore Diameter: 2.500 inches nominal
Body Outside Diameter: 2.812 inches nominal
Flange Outside Diameter: 4.125 inches nominal
Design Type: dry
Row Quantity: 1
Bottom Chamfer Angle In Deg: 30.0
Bottom Chamfer Length: 0.250 inches nominal
Valve Recess: included
Top Inside Chamfer: not included
Bottom Inside Chamfer: included
Top Intake Port: not included
Intake Hole: included
Hole Quantity Per Row: 6
Distance From Top To Center Of First Row: 1.625 inches nominal
Special Features: 1 liner p/n 550402; 1suction valve p/n 552470; 6 springs p/n 522767; 1 ring p/n 550407; 4 lockwashers p/n 550545; 4 cap screws,1/4-28 by 5/8 in. p/n 550931; 1 gasket p/n 550548; 1 patch ring p/n 550412; 3 hex. washer hd screws,type 23 no. 8-32 by 5/16 in. p/n 552464
Material: steel
Style Designator: dry, flanged, relieved

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
RSK203	Cylinder Sleeve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4130-00-868-1225?

The FSCG of the NSN 4130-00-868-1225 is 4130

Does NSN 4130-00-868-1225 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4130-00-868-1225 contain precious materials?

Precious metal content is unknown

Does NSN 4130-00-868-1225 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4130-00-868-1225 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960